package com.cgy.wodeyigui.product.service.impl;

import com.cgy.wodeyigui.product.entity.AttrEntity;
import com.cgy.wodeyigui.product.service.AttrService;
import com.cgy.wodeyigui.product.vo.AttrGroupWithAttrsVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cgy.common.utils.PageUtils;
import com.cgy.common.utils.Query;

import com.cgy.wodeyigui.product.dao.AttrGroupDao;
import com.cgy.wodeyigui.product.entity.AttrGroupEntity;
import com.cgy.wodeyigui.product.service.AttrGroupService;
import org.springframework.util.StringUtils;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {
@Autowired
    AttrService attrService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catelogId) {
        if(catelogId==0){
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), new QueryWrapper<AttrGroupEntity>());
            return new PageUtils(page);
        }else{
            Object key = params.get("key");
            //select * pms_attr_group where catelog_id = ? and (attr_groupid = key or attrgroup_name like %key%)
            //构造查询条件
            QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>().eq("catelog_id",catelogId);
            if(!StringUtils.isEmpty(key)){
                wrapper.and((obj)->{
                    obj.eq("attr_group_id",key).or().like("attr_group_name",key);
                });

            }
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params),wrapper);
            return new PageUtils(page);
        }

    }

    /**
     * 根据分类id查出所有的分组以及这些租里面的属性
     * @param catelogId
     * @return
     */
    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsBycatelogId(Long catelogId) {
        //1：查询分组信息
        List<AttrGroupEntity> attrGroupEntity = this.list(new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));
        //2:查询所有属性
        List<AttrGroupWithAttrsVo> vo = attrGroupEntity.stream().map(grop -> {
            AttrGroupWithAttrsVo attrVo = new AttrGroupWithAttrsVo();
            BeanUtils.copyProperties(grop,attrVo);
            List<AttrEntity> attrs = attrService.getRelationAttr(attrVo.getAttrGroupId());
            attrVo.setAttrs(attrs);
            return new AttrGroupWithAttrsVo();
        }).collect(Collectors.toList());

        return vo;
    }

}